package com.vs.wms.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class EncodingFilter implements Filter {
	
	private String encoding = null;
	
	@Override
	public void destroy() {
		
		this.encoding = null;
		
		System.err.println(">>>>>>>>>>>>>>>>>> destroy");
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		
		request.setCharacterEncoding(encoding);
		response.setContentType("text/html; charset=UTF-8");
		
		chain.doFilter(request, response);
	}

	@Override
	public void init(FilterConfig config) throws ServletException {
		
		this.encoding = config.getInitParameter("encoding");
		
		System.err.println(">>>>>>>>>>>>>>>>>>>>>> init");
	}
}
